flight-planner/dist/repository.js

Plan and route VFR flights

import { bbox, buffer, point } from "@turf/turf";
/**
 * RepositoryBase class provides a base implementation for repositories.
 *
 * @abstract
 * @class RepositoryBase<T>
 * @template T - The type of data to be fetched.
 */
export class RepositoryBase {
    /**
     * Fetches data by geographic location within specified radius.
     *
     * @param location - The location coordinates [longitude, latitude].
     * @param radius - The radius in kilometers (default: 100, max: 1000).
     * @returns A promise that resolves to an array of data.
     */
    async fetchByLocation(location, radius = 100) {
        if (!Array.isArray(location) || location.length < 2 ||
            typeof location[0] !== 'number' || typeof location[1] !== 'number') {
            throw new Error('Invalid location format. Expected [longitude, latitude].');
        }
        const radiusRange = Math.min(1000, Math.max(1, radius));
        const resultList = [];
        if (this.fetchByRadius) {
            const result = await this.fetchByRadius(location, radiusRange);
            resultList.push(...result);
        }
        else if (this.fetchByBbox) {
            const locationPoint = point(location);
            const buffered = buffer(locationPoint, radiusRange, { units: 'kilometers' });
            if (buffered) {
                const searchBbox = bbox(buffered);
                const result = await this.fetchByBbox(searchBbox);
                resultList.push(...result);
            }
        }
        else {
            throw new Error('This repository does not implement fetchByRadius or fetchByBbox. At least one of these methods must be implemented to use fetchByLocation.');
        }
        return resultList;
    }
}
export default RepositoryBase;